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FDA says it is studying caramel coloring in soda

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The Food and Drug Administration says it is conducting new studies of the safety of caramel coloring in soft drinks and other foods, even though previous research has shown no identifiable health risk. The agency's announcement comes in response to a study by Consumer Reports that shows varying levels of 4-methylimidazole — an impurity formed in some caramel coloring at low levels during the...

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